Boundary-compressed member of the N=3625 core family. Use the 25-point exact core with vertical coordinate u (span 13), horizontal coordinate 14v, tensor T={0,1,6,7,15}; at q=1549 all defects share one point, whose deletion leaves this valid 124-set.
Yongxi (Aaron) Lin · 2026-08-09 17:34:21 UTC